Open-source Reverse API Engineer turns websites into typed API clients by capturing network traffic

tom_doerr · x · 2026-08-13

Reverse API Engineer is an open-source tool that turns websites into APIs. It uses a browser (human or AI agent driven) to visit a site, captures network traffic as a HAR file, and then a configured model reads the traffic to generate a typed API client in Python, JavaScript, TypeScript, Go, Java, C#, PHP, Ruby, or C. It supports agent and manual modes, and is easy to install via uv or pip.

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